ASTM C645-08

Standard Specification for Nonstructural Steel Framing Members

SCOPE
1.1 This specification covers nonstructural steel framing members in interior construction assemblies.
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI (metric) values given in parentheses are provided for information purposes only.
1.3 The following safety hazards caveat pertains only to the test methods portion, Sections 9 and 10, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 14-Jan-2008
• ICS: 91.060.10 - Walls. Partitions. Facades
• Technical Committee: C11 - Gypsum and Related Building Materials and Systems
• Drafting Committee: C11.02 - Specifications and Test Methods for Accessories and Related Products

Relations

• Replaces: ASTM C645-07b - Standard Specification for Nonstructural Steel Framing Members
• Effective Date: 15-Jan-2008
• Replaced By: ASTM C645-08a - Standard Specification for Nonstructural Steel Framing Members
• Effective Date: 01-Mar-2008
• Referred By: ASTM C1396/C1396M-17 - Standard Specification for Gypsum Board
• Effective Date: 15-Jan-2008
• Referred By: ASTM C1858-17a(2021) - Standard Practice for Design, Construction, and Material Requirements for Direct Hung Suspended T-bar Type Ceiling Systems Intended to Receive Gypsum Panel Products in Areas Subject to Earthquake Ground Motions
• Effective Date: 15-Jan-2008
• Referred By: ASTM C754-20 - Standard Specification for Installation of Steel Framing Members to Receive Screw-Attached Gypsum Panel Products
• Effective Date: 15-Jan-2008
• Referred By: ASTM C1513-18 - Standard Specification for Steel Tapping Screws for Cold-Formed Steel Framing Connections
• Effective Date: 15-Jan-2008
• Referred By: ASTM E2634-18(2022) - Standard Specification for Flat Wall Insulating Concrete Form (ICF) Systems
• Effective Date: 15-Jan-2008
• Referred By: ASTM C1178/C1178M-18 - Standard Specification for Coated Glass Mat Water-Resistant Gypsum Backing Panel
• Effective Date: 15-Jan-2008
• Referred By: ASTM C1002-22 - Standard Specification for Steel Self-Piercing Tapping Screws for Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs
• Effective Date: 15-Jan-2008
• Referred By: ASTM C1278/C1278M-17 - Standard Specification for Fiber-Reinforced Gypsum Panel
• Effective Date: 15-Jan-2008
• Referred By: ASTM C1921/C1921M-22 - Standard Test Method for Comparative Impact Testing of Gypsum Panel Outside 90° Corner Systems
• Effective Date: 15-Jan-2008
• Referred By: ASTM C840-20 - Standard Specification for Application and Finishing of Gypsum Board
• Effective Date: 15-Jan-2008
• Referred By: ASTM C1658/C1658M-19e1 - Standard Specification for Glass Mat Gypsum Panels
• Effective Date: 15-Jan-2008
• Referred By: ASTM C1177/C1177M-17 - Standard Specification for Glass Mat Gypsum Substrate for Use as Sheathing
• Effective Date: 15-Jan-2008

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C 645 – 08
Standard Specification for
1
Nonstructural Steel Framing Members
This standard is issued under the fixed designation C 645; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* SpecificationfortheDesignofCold-FormedSteelStructural
3
Members
1.1 This specification covers nonstructural steel framing
AISI Code of Standard Practice for Cold-Formed Steel
members in interior construction assemblies.
Structural Framing Committee on Framing Standards —
1.2 The values stated in inch-pound units are to be regarded
3
2005 Edition
as the standard.The SI (metric) values given in parentheses are
4
2.3 ICC-ES Document
provided for information purposes only.
ICC-ES-AC86 Acceptance Criteria for Steel Studs and
1.3 The following safety hazards caveat pertains only to the
Gypsum-Board Interior Nonload-Bearing Walls—
test methods portion, Sections 9 and 10, of this specification:
Complete Construction—AC86—Approved July 1995
This standard does not purport to address all of the safety
(Editorially revised September 2005) (Formerly ICBO
concerns, if any, associated with its use. It is the responsibility
AC86 dated July 1995)
of the user of this standard to establish appropriate safety and
health practices and determine the applicability of regulatory
3. Terminology
limitations prior to use.
3.1 Definitions—Definitions shall be in accordance with
2. Referenced Documents TerminologyC11.
2
3.2 Definitions of Terms Specific to This Standard:
2.1 ASTM Standards:
3.2.1 members, n—in screw application of gypsum board,
A 653/A 653M Specification for Steel Sheet, Zinc-Coated
studs, runners (track), hat furring channels, main beams and
(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed)
cross furring members of grid suspension systems or other
by the Hot-Dip Process
items manufactured in accordance with this specification.
A 1003/A 1003M Specification for Steel Sheet, Carbon,
3.2.2 nonstructural wall stud, n—a member in a steel
Metallic- and Nonmetallic-Coated for Cold-Formed Fram-
framed wall system which is limited to a lateral (transverse)
ing Members
2
load of not more than 10 lb/ft (480 Pa), a superimposed
C11 Terminology Relating to Gypsum and Related Build-
verticalload,exclusiveofsheathingmaterials,ofnotmorethan
ing Materials and Systems
100 lbf/ft (1460 N/m), or a superimposed vertical load of not
C 1396/C 1396M Specification for Gypsum Board
more than 200 lbs (890 N).
C 754 Specification for Installation of Steel Framing Mem-
bers to Receive Screw-Attached Gypsum Panel Products
4. Materials and Manufacture
C 1002 Specification for Steel Self-Piercing Tapping
4.1 Members shall be manufactured from steel meeting the
Screws for the Application of Gypsum Panel Products or
requirements of Specification A 1003/A 1003M.
Metal Plaster Bases to Wood Studs or Steel Studs
4.2 Members shall have a protective coating conforming to
2.2 AISI Standard:
Specification A 653/A 653M – G 40 minimum or shall have a
protective coating with an equivalent corrosion resistance.
1
This specification is under the jurisdiction of ASTM Committee C11 on 4.3 Members shall be manufactured from steel having a
Gypsum and Related Building Materials and Systems and is the direct responsibility
minimum thickness, individual measurement of 0.0179 in.
of Subcommittee C11.02 on Specifications and Test Methods for Accessories and
(0.455 mm) before application of protective coating.
Related Products.
Current edition approved Jan. 15, 2008. Published February 2008. Originally
approved in 1970. Last previous edition approved in 2007 as C 645 – 07b.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from American Iron and Steel Institute (AISI), 1140 Connecticut
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Ave., NW, Suite 705, Washington, DC 20036, http://www.steel.org.
4
Standards volume information, refer to the standard’s Document Summary page on Available from ICC Evaluation Services, Inc., 5360 Workman Mill Road,
the ASTM website. Whittier, CA 90601, www.icc-es.org.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C645–08
TABLE 1 Manufacturing Tolerances
5. Dimensions and Permissible Variations
Drywall Studs, Drywall Track,
A
Dimension Item Checked
5.1 Studs and rigid furring channels shall have a configu-
in. (m
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:C645–07b Designation: C 645 – 08
Standard Specification for
1
Nonstructural Steel Framing Members
This standard is issued under the fixed designation C 645; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope*
1.1 This specification covers nonstructural steel framing members in interior construction assemblies.
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI (metric) values given in parentheses are
provided for information purposes only.
1.3 The following safety hazards caveat pertains only to the test methods portion, Sections 9 and 10, of this specification: This
standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user
of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior
to use.
2. Referenced Documents
2
2.1 ASTM Standards:
A 653/A 653M Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the
Hot-Dip Process
A 1003/A 1003M SpecificationforSteelSheet,Carbon,Metallic-andNonmetallic-CoatedforCold-FormedFramingMembers
C 11 Terminology Relating to Gypsum and Related Building Materials and Systems
C 1396/C 1396M Specification for Gypsum Board
C 754 Specification for Installation of Steel Framing Members to Receive Screw-Attached Gypsum Panel Products
C 1002 Specification for Steel Self-Piercing Tapping Screws for the Application of Gypsum Panel Products or Metal Plaster
Bases to Wood Studs or Steel Studs
2.2 AISI Standard:
3
Specification for the Design of Cold-Formed Steel Structural Members
3
AISI Code of Standard Practice for Cold-Formed Steel Structural Framing Committee on Framing Standards —2005 Edition
4
2.3 ICC-ES Document
ICC-ES-AC86 Acceptance Criteria for Steel Studs and Gypsum-Board Interior Nonload-Bearing Walls—Complete
Construction—AC86—Approved July 1995 (Editorially revised September 2005) (Formerly ICBO AC86 dated July 1995)
3. Terminology
3.1 Definitions—Definitions shall be in accordance with Terminology C 11.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 members, n—in screw application of gypsum board, studs, runners (track), hat furring channels, main beams and cross
furring members of grid suspension systems or other items manufactured in accordance with this specification.
3.2.2 nonstructural wall stud, n—a member in a steel framed wall system which is limited to a lateral (transverse) load of not
2
more than 10 lb/ft (480 Pa), a superimposed vertical load, exclusive of sheathing materials, of not more than 100 lbf/ft (1460
N/m), or a superimposed vertical load of not more than 200 lbs (890 N).
4. Materials and Manufacture
4.1 Members shall be manufactured from steel meeting the requirements of Specification A 1003/A 1003M.
4.2 Members shall have a protective coating conforming to Specification A 653/A 653M–G40 minimum or shall have a
1
This specification is under the jurisdiction of ASTM Committee C11 on Gypsum and Related Building Materials and Systems and is the direct responsibility of
Subcommittee C11.02 on Specifications and Test Methods for Accessories and Related Products.
Current edition approved Dec.Jan. 15, 2007.2008. Published JanuaryFebruary 2008. Originally approved in 1970. Last previous edition approved in 2007 as C 645 – 07ab.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American Iron and Steel Institute (AISI), 1140 Connecticut Ave., NW, Suite 705, Washington, DC 20036, http://www.steel.org.
4
Available from ICC Evaluation Services, Inc., 5360 Workman Mill Road, Whittier, CA 90601, www.icc-es.org.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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C645–08
protective coating with an equivalent corrosion resistance.
4.3 Members shall be manufactured from steel
...